Merge tag 'for-6.1-rc6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave...

[platform/kernel/linux-starfive.git] / fs / userfaultfd.c

diff --git a/fs/userfaultfd.c b/fs/userfaultfd.c
index 07c81ab..98ac37e 100644 (file)
--- a/fs/userfaultfd.c
+++ b/fs/userfaultfd.c
@@ -1630,17 +1630,20 @@ static int userfaultfd_unregister(struct userfaultfd_ctx *ctx,
                                 NULL_VM_UFFD_CTX, anon_vma_name(vma));
                if (prev) {
                        vma = prev;
+                       mas_pause(&mas);
                        goto next;
                }
                if (vma->vm_start < start) {
                        ret = split_vma(mm, vma, start, 1);
                        if (ret)
                                break;
+                       mas_pause(&mas);
                }
                if (vma->vm_end > end) {
                        ret = split_vma(mm, vma, end, 0);
                        if (ret)
                                break;
+                       mas_pause(&mas);
                }
        next:
                /*